Eur. Phys. J. Appl. Phys.
Volume 75, Number 1, July 2016
|Number of page(s)||4|
|Section||Nanomaterials and Nanotechnologies|
|Published online||26 July 2016|
Dielectric response of polystyrene – BaTiO3 nanocomposites
Voronezh Institute of the Ministry of Internal Affairs of Russia, pr. Patriotov, 53, Voronezh 394065, Russian Federation
2 Military Training and Scientific Center of Air Forces “Air Force Academy”, Staryh Bolshevikov st., 54 A, 394064 Voronezh, Russian Federation
3 Kursk State University, Radishcheva st., 33, 305000 Kursk, Russian Federation
4 Voronezh State Technical University, Moskovsky pr. 14, 394026 Voronezh, Russian Federation
a e-mail: email@example.com
Revised: 18 April 2016
Accepted: 15 June 2016
Published online: 26 July 2016
The series of composite materials based on polystyrene and non-ferroelectric BaTiO3 nanoparticles ((1-x)PS-xBT, where the volume concentration x = 0−1.0) was prepared. Their dielectric properties were studied within the temperature range 20–160 °C at the frequency of 100 kHz. It is found that an increase in the barium titanate concentration leads to increase of the both dielectric permittivity (ε) and dielectric losses (tgδ). The concentration dependence of ε can be described by the modified Kerner model. It was found that the glass transition in polystyrene matrix is diffused and its temperature is increased with concentration x.
© EDP Sciences, 2016
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